Chemical Engineering Thermodynamics Pressure-enthalpy chart is useful in refrigeration. The change in internal energy of an ideal fluid used in ideal refrigeration cycle is Positive Infinity Negative Zero Positive Infinity Negative Zero ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Which of the following is an undesirable characteristics of a refrigerant ? Its vapor pressure at the condenser temperature should be very high It should have a sub-atmospheric vapor pressure at the temperature in refrigerator coils It should be non-explosive None of these Its vapor pressure at the condenser temperature should be very high It should have a sub-atmospheric vapor pressure at the temperature in refrigerator coils It should be non-explosive None of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Equilibrium constant decreases as the temperature Increases, for an endothermic reaction Increases, for an exothermic reaction Decreases, for an exothermic reaction None of these Increases, for an endothermic reaction Increases, for an exothermic reaction Decreases, for an exothermic reaction None of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics No work is done by the system, when a reaction occurs at constant None of these Volume Pressure Temperature None of these Volume Pressure Temperature ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Which of the following is not an intensive property? Surface tension Heat capacity Chemical potential None of these Surface tension Heat capacity Chemical potential None of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The free energy change for a chemical reaction is given by (where, K = equilibrium constant) RT lnK -R lnK -RT lnK T lnK RT lnK -R lnK -RT lnK T lnK ANSWER DOWNLOAD EXAMIANS APP
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